I have just purchased ODYSSEi, and for the most part, really like it. It's more like a true analog synth, with respect to programming, than most of my other iOS synth apps. This doesn't make it one of my favorite apps, but in terms of workflow, it's pretty analog. I am not hugely enamored with most of the stock sounds, but in a matter of a few minutes, I was able to tweak a few to my liking. What I find odd is that in hardware, Korg is truly one of my favorites, but I find this to be far from true in the iOS Korg app world. Inside of Gadget, ODYSSEi runs under a different name, and appears to underwhelm, severely. First of all, user edits in ODYSSEi don't show up when it's opened up in Gadget, which makes it almost useless for me, with respect to Gadget. Secondly, almost all the arps don't work when the app is opened up in Gadget. What a bummer, Korg!